| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 05/20/2004 | US20040095164 Power converter circuitry and method |
| 05/20/2004 | US20040095122 System and method for providing digital pulse width modulation |
| 05/20/2004 | US20040095121 Power converter circuitry and method |
| 05/20/2004 | US20040095120 Power converter circuitry and method |
| 05/20/2004 | US20040095119 Power converter circuitry and method |
| 05/20/2004 | US20040095118 Power converter circuitry and method |
| 05/20/2004 | US20040095117 Power converter circuitry and method |
| 05/20/2004 | US20040095115 Power converter circuitry and method |
| 05/20/2004 | US20040095114 Power converter circuitry and method |
| 05/20/2004 | US20040095113 Power converter circuitry and method |
| 05/20/2004 | US20040095111 Switching power converter controller |
| 05/20/2004 | US20040095110 Power converter circuitry and method |
| 05/20/2004 | US20040095109 Power converter circuitry and method |
| 05/20/2004 | US20040095107 Power converter circuitry and method |
| 05/20/2004 | US20040095106 Power converter circuitry and method |
| 05/20/2004 | US20040095105 Power supply device and liquid crystal display device using the same |
| 05/20/2004 | US20040095104 Switching regulator with transient recovery circuit |
| 05/20/2004 | US20040095103 Power converter circuitry and method |
| 05/20/2004 | US20040095031 Micro-electromechanical voltage converter |
| 05/20/2004 | US20040095020 Power converter circuitry and method |
| 05/19/2004 | EP1420466A2 Electronic control device for an ultrasonic piezoelectric actuator |
| 05/19/2004 | EP1420262A1 Method and system for detecting at least one failure of at least one switch |
| 05/19/2004 | EP1419571A1 Thermal compensation method and device for circuits with temperature-dependent current sensing elements |
| 05/19/2004 | EP1419570A2 Thermally compensated current sensing of intrinsic power converter elements |
| 05/19/2004 | EP1419028A1 Electric arc welder for variable ac input |
| 05/19/2004 | DE10349696A1 Voltage regulator converter control method for conversion between voltage levels and/or between alternating and direct current voltages, has adaptive regulation algorithm for selective use of one regulation model |
| 05/19/2004 | DE10251591A1 Flyback converter, e.g. for safety-related applications in motor vehicle, modifies control voltage based on load of output circuit |
| 05/19/2004 | DE10250359A1 DC circuit controller uses hysteresis voltage mode regulator with stable circuit frequency |
| 05/19/2004 | DE10237451A1 Einrichtung und Verfahren zum Schalten von Strömen in einer Statorwicklung einer Generator-Elektromotor-Kombination Apparatus and method for switching currents in a stator winding of an electric generator and motor combination |
| 05/19/2004 | DE10232640B4 Schaltungsanordnung mit einem Halbleiterschalter und Verfahren zum sperrenden Ansteuern eines Halbleiterschalters Circuit arrangement having a semiconductor switch and method for blocking driving a semiconductor switch |
| 05/19/2004 | CN1498439A Power controller, power control method, information processor and power control program |
| 05/19/2004 | CN1497830A Control power supply device for electroplating |
| 05/19/2004 | CN1497829A Power supply capable of protecting circuit of electric apparatus |
| 05/19/2004 | CN1497828A 开关电源装置 Switching power supply unit |
| 05/19/2004 | CN1497827A 开关电源装置 Switching power supply unit |
| 05/19/2004 | CN1497826A Simple boost device of level shift circuit including allowable low breakdown voltage |
| 05/19/2004 | CN1497621A Transformer, power supply switching device and manufacturing method of transformer |
| 05/19/2004 | CN1497608A Power-supply device and its power supply method |
| 05/19/2004 | CN1497516A 显示装置 Display device |
| 05/19/2004 | CN1150805C Power supply for feeding and igniting discharge lamp |
| 05/18/2004 | US6738275 High-voltage x-ray generator |
| 05/18/2004 | US6738273 Charge pump drive signal recovery circuit |
| 05/18/2004 | US6738272 Charge pump rush current limiting circuit |
| 05/18/2004 | US6738271 Charge pump circuit DC/DC converter and power supply apparatus for liquid crystal device |
| 05/18/2004 | US6738270 Parallel power source system |
| 05/18/2004 | US6738267 Switched power supply converter with a piezoelectric transformer |
| 05/18/2004 | US6738266 Switching power supply unit |
| 05/18/2004 | US6738247 DC-DC converter |
| 05/18/2004 | US6737907 Programmable DC voltage generator system |
| 05/18/2004 | US6737906 Semiconductor integrated circuit device including a negative power supply circuit |
| 05/18/2004 | US6737847 Capacitor charging method and charging apparatus |
| 05/18/2004 | US6737845 Current inrush limiting and bleed resistor current inhibiting in a switching power converter |
| 05/18/2004 | US6737843 PWM switching regulator and electronic apparatus |
| 05/18/2004 | US6737842 Method and circuits for reducing dead time and reverse recovery loss in buck regulators |
| 05/18/2004 | US6737841 Amplifier circuit for adding a laplace transform zero in a linear integrated circuit |
| 05/18/2004 | US6737840 Switching DC/DC converter with the output voltage changing inversely to any change in the converter inductor current |
| 05/18/2004 | US6737839 Semiconductor integrated circuit with selectable power supply units for different operation modes |
| 05/18/2004 | US6737838 DC/DC up/down converter |
| 05/18/2004 | US6737832 Power supply apparatus |
| 05/18/2004 | US6737760 Method for negative feedback controlling electrical power and negative feedback controlled power supply |
| 05/18/2004 | US6737301 Power semiconductor switching devices, power converters, integrated circuit assemblies, integrated circuitry, power current switching methods, methods of forming a power semiconductor switching device, power conversion methods, power semiconductor switching device packaging methods, and methods of forming a power transistor |
| 05/18/2004 | US6736474 Charge pump circuit |
| 05/13/2004 | WO2004040767A2 Variable charge pump circuit with dynamic load |
| 05/13/2004 | WO2004040744A1 Audio system with inactive smps during tuner search |
| 05/13/2004 | WO2004040743A1 Noise suppression in switching power supplies |
| 05/13/2004 | WO2004030189A8 Power conversion in variable load applications |
| 05/13/2004 | WO2003065493B1 Power controller, power control method, information processor, and power control program |
| 05/13/2004 | WO2003049266B1 Multi-phase switching regulator |
| 05/13/2004 | WO2002091471A3 Integrated circuit |
| 05/13/2004 | WO2002027810B1 Piezoelectric transformer and operating method |
| 05/13/2004 | US20040090808 Power-supply voltage frequency control circuit |
| 05/13/2004 | US20040090806 Power source inverter circuit |
| 05/13/2004 | US20040090805 Switching power supply apparatus |
| 05/13/2004 | US20040090804 Controller for DC to DC converter |
| 05/13/2004 | US20040090802 Noise suppression in switching power supplies |
| 05/13/2004 | US20040090801 Highly efficient, tightly regulated dc-to-dc converter |
| 05/13/2004 | US20040090799 DC-DC converter |
| 05/13/2004 | US20040090798 Apparatus and method for charging and discharging a capacitor |
| 05/13/2004 | US20040090436 Display unit and power-economy controller |
| 05/13/2004 | US20040090218 Self-powered over-voltage protection circuit |
| 05/13/2004 | US20040090216 Method and apparatus for control of voltage regulation |
| 05/13/2004 | US20040090215 DC-dc converter |
| 05/13/2004 | US20040090184 Device and method for operating a high pressure discharge lamp |
| 05/13/2004 | DE20319184U1 Power supply in the form of power packs transforming mains voltage to values appropriate to rated voltage of individual loads are supplied by single power cable |
| 05/13/2004 | DE10349663A1 Elektrische Energiequellevorrichtung mit mehreren Ausgängen und elektronische Fahrzeugsteuervorrichtung An electric power source device having a plurality of outputs and electronic vehicle control apparatus |
| 05/13/2004 | DE10250155A1 Switched mode power supply has switch unit with main switch for operating mode and partial load/standby switch with lower power drain and/or losses than main switch, especially in partial load mode |
| 05/13/2004 | DE10250154A1 Switch unit for switched mode power supply has primary current/voltage input, output regions, first/main switch and second/partial load/standby switch monolithically integrated into common module |
| 05/13/2004 | DE10249802A1 DC voltage converter has inductance connected to input at one end, to reference potential and output via two switches at other end, arrangement for controlling switches to regulate output voltage |
| 05/13/2004 | DE10245291A1 Control method for current regulator with series power semiconductor switches switched at offset time points for reducing overall loading |
| 05/13/2004 | CA2501564A1 Variable charge pump circuit with dynamic load |
| 05/12/2004 | EP1418795A2 Device and method for operating a high pressure discharge lamp |
| 05/12/2004 | EP1418662A2 Method and apparatus for output voltage regulation in primary controlled switched mode power supplies |
| 05/12/2004 | EP1418661A2 DC-DC Converter |
| 05/12/2004 | EP1417745A2 Dc to dc converters |
| 05/12/2004 | EP1088376B1 Magnetic modulator voltage and temperature timing compensation circuit |
| 05/12/2004 | CN2615948Y Thermal connecting & disconnecting secondary power supply for electric system automation equipment |
| 05/12/2004 | CN1496600A Uninterruptible power supply |
| 05/12/2004 | CN1496210A 电源电路 Power circuit |
| 05/12/2004 | CN1495990A 电功率转换器 Electrical power converter |
| 05/12/2004 | CN1149829C Power supply with several modes to work |